13534812 has 18 divisors (see below), whose sum is σ = 34213088. Its totient is φ = 4511592.

The previous prime is 13534811. The next prime is 13534823. The reversal of 13534812 is 21843531.

It is a happy number.

13534812 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×13534812² = 366382271750688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13534811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187948 + ... + 188019.

Almost surely, 2^13534812 is an apocalyptic number.

13534812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13534812 is an abundant number, since it is smaller than the sum of its proper divisors (20678276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13534812 is a wasteful number, since it uses less digits than its factorization.

13534812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375977 (or 375972 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 13534812 is about 3678.9688772807. The cubic root of 13534812 is about 238.3146510315.

It can be divided in two parts, 1353 and 4812, that multiplied together give a triangular number (6510636 = T₃₆₀₈).

The spelling of 13534812 in words is "thirteen million, five hundred thirty-four thousand, eight hundred twelve".